Cervical human spine loads during traumatomechanical investigations.

Author(s)
Kallieris, D. Rizzetti, A. Mattern, R. Thunnissen, J. & Philippens, M.
Year
Abstract

In this study the head-neck response, the neck loads and the sustained injuries obtained from human cadaver experiments in the frontal, lateral and rear-end collisions were investigated to increase the knowledge of the traumatomechanics of the cervical spine. The severity of these experiments, for instance sled deceleration, varies from 11 to 15 g for frontal, and 7 g for rear-end collisions; for lateral impacts, the shoulder was accelerated with 100 to 130 g through the intruded side wall of the car. lt was observed, that rotational accelerations of 1000 rad/sec2 do not lead to recognizable injuries during post mortem loadings, while rotational accelerations of 2000 - 3000 rad/sec2 or bending moments of 80 - 100 Nm can lead to injuries of ligaments, intervertebral discs and compression fractures of vertebral bodies. Shear forces in frontal collisions of 1000 - 1500 N at the level of the occipital condyles cause strength of the joints in this region. The resultant acceleration at the head centre of gravity varies from 20 to 45 g. (A)

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Publication

Library number
C 12616 (In: C 12610) /84 / IRRD E201288
Source

In: Proceedings of the 1996 International IRCOBI Conference on the Biomechanics of Impacts, Dublin, Ireland, September 11-13, 1996, p. 89-105, 13 ref.

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